77169640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 185976000

約数和(自身を除く): 108806360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 1721, 2242, 2360, 3442, 4484, 5605, 6884, 8605, 8968, 11210, 13768, 17210, 22420, 32699, 34420, 44840, 65398, 68840, 101539, 130796, 163495, 203078, 261592, 326990, 406156, 507695, 653980, 812312, 1015390, 1307960, 1929241, 2030780, 3858482, 4061560, 7716964, 9646205, 15433928, 19292410, 38584820, 77169640]

約数ペア:

[(1, 77169640), (2, 38584820), (4, 19292410), (5, 15433928), (8, 9646205), (10, 7716964), (19, 4061560), (20, 3858482), (38, 2030780), (40, 1929241), (59, 1307960), (76, 1015390), (95, 812312), (118, 653980), (152, 507695), (190, 406156), (236, 326990), (295, 261592), (380, 203078), (472, 163495), (590, 130796), (760, 101539), (1121, 68840), (1180, 65398), (1721, 44840), (2242, 34420), (2360, 32699), (3442, 22420), (4484, 17210), (5605, 13768), (6884, 11210), (8605, 8968)]